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Hydrofarm
With a strong portfolio of manufactured and distributed brands, we are one of the leading companies in the global Controlled Environment...
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1 year 2 months
Shoemakersville, US
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Nutrients & Supplements

Gaia Green Worm Castings Organic Soil Amendment - 2 L Pouch
Out of stock
$15.21 $15.99 -5%
Gaia Green All Purpose 4-4-4 Organic Fertilizer - 20 kg
In Stock: 119
$84.79 $102.29 -17%
Gaia Green Power Bloom 2-8-4 Organic Fertilizer - 20 kg
In Stock: 229
$91.82 $104.50 -12%
Age Old Kelp Plant Supplement - 1 Gal
In Stock: 1
$42.04 $48.99 -14%
Plant Success Great White Premium Mycorrhizae - 4 Oz
Plant Success Premium Mycorrhizae - 4 Oz
In Stock: 605
$36.15 $44.99 -20%
Roots Organics CalMag Liquid Cal-Mag Supplement - 1 Qt
In Stock: 250
$21.50 $28.90 -26%
Grotek Cal-Max Cal-Mag Supplement - 1 Qt
Grotek Cal-Max Cal-Mag Supplement - 1 Qt
In Stock: 403
$7.90 $13.96 -43%
Age Old Kelp Plant Supplement - 55 Gal Drum
Availability: Special-Order
$1,568.00 $1,843.99 -15%
Budswel Bat Guano Liquid Fertilizer - 1 Gal (CA Compliant)
In Stock: 526
$42.50 $54.99 -23%
Cutting Edge Solutions Uncle John's Blend 0-0-2 Supplement - 270 Gal Tote (Oregon Only)
Availability: Special-Order
$9,800.00 $11,323.99 -13%
Grow More Water Soluble 30-10-10 Fertilizer - 25 lb
In Stock: 1
$53.43 $66.99 -20%
Age Old Grow 12-6-6 Liquid Fertilizer - 6 Gal
In Stock: 24
$188.98 $224.99 -16%
Age Old Bloom 5-10-5 Liquid Fertilizer - 6 Gal
In Stock: 6
$176.40 $224.99 -22%
Gaia Green Power Bloom 2-8-4 Organic Fertilizer - 2 kg Pouch
In Stock: 212
$26.97 $28.59 -6%
Age Old Fish & Seaweed 3-3-2 Liquid Fertilizer - 6 Gal
In Stock: 1
$175.49 $224.99 -22%
Gaia Green Glacial Rock Dust Mineral Soil Amendment - 2 kg Pouch
In Stock: 172
$12.36 $12.99 -5%
BioBizz Starters Pack Nutrient Kit
In Stock: 14
$88.45 $108.99 -19%
Age Old Bloom 5-10-5 Liquid Fertilizer - 2.5 Gal
Out of stock
$89.63 $96.99 -8%
Roots Organics Uprising Bloom Organic Granular Fertilizer - 3-6-4 NPK - 3 lb
In Stock: 601
$15.16 $19.43 -22%
Age Old Grow 12-6-6 Liquid Fertilizer - 2.5 Gal
In Stock: 2
$83.23 $96.99 -14%
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